US4475885A - Adjustable flame burner - Google Patents

Adjustable flame burner Download PDF

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Publication number
US4475885A
US4475885A US06/518,079 US51807983A US4475885A US 4475885 A US4475885 A US 4475885A US 51807983 A US51807983 A US 51807983A US 4475885 A US4475885 A US 4475885A
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US
United States
Prior art keywords
burner
apertures
baffle
flame
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US06/518,079
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English (en)
Inventor
Harry P. Finke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bloom Engineering Co Inc
Original Assignee
Bloom Engineering Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bloom Engineering Co Inc filed Critical Bloom Engineering Co Inc
Assigned to BLOOM ENGINEERING COMPANY, INC. reassignment BLOOM ENGINEERING COMPANY, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: FINKE, HARRY P.
Priority to US06/518,079 priority Critical patent/US4475885A/en
Priority to CA000449919A priority patent/CA1206861A/en
Priority to EP84104754A priority patent/EP0137098B1/de
Priority to DE8484104754T priority patent/DE3467615D1/de
Priority to AT84104754T priority patent/ATE30952T1/de
Priority to MX201727A priority patent/MX159058A/es
Priority to JP59158559A priority patent/JPS6053712A/ja
Publication of US4475885A publication Critical patent/US4475885A/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/02—Casings; Linings; Walls characterised by the shape of the bricks or blocks used
    • F23M5/025—Casings; Linings; Walls characterised by the shape of the bricks or blocks used specially adapted for burner openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other

Definitions

  • My invention relates to a burner structure suitable for use in industrial furnaces such as soaking pit and reheat furnaces and more particularly, burner structures of the adjustable flame type.
  • burners are normally operated at a maximum rated capacity to bring the ingots up to rolling temperature as fast as possible and thereafter the burners are cut back so as to maintain the proper temperature while the ingots are thermally soaked.
  • reheat furnaces for example side-fired walking beam furnaces
  • a fixed flame burner simply can not control the temperature distribution since the presence of such furnace conditions as the movement of gases through the furnace, different stock sizes and productivity rates create variable flame requirements.
  • My burner will yield a violently short, high release combustion pattern that will either burn in a short cyindrical fashion or break into a high release coanda-type flame having a large flame diameter with effectively zero forward velocity. Alternately, my burner can produce a high intense flame approximately three times as long as the previously described flame and have an essentially zero radical component. My burner is adjustable between these two extreme conditions to provide a wide variety of flame characteristics.
  • My adjustable flame burner includes a burner body having a baffle with a discharge face forming a forward wall thereof.
  • the fuel duct extends co-axially with the longitudinal axis of the burner and passes through the burner baffle.
  • a first set of spaced combustion sustaining gas apertures extend axially with the burner and radially outward of and parallel to the fuel duct.
  • a second set of radially spaced combustion gas apertures extend through the baffle at an acute angle to the apertures of the first set and intersect with the apertures of the first set at or substantially adjacent the discharge face.
  • the second set of apertures are also offset or skewed with respect to the central burner axis. Means are provided to adjust the relative amount of combustion sustaining gas through the first and second set of apertures.
  • the angle of intersection between the two sets of burners is in the range of 45° to 65° and preferably on the order of 65°.
  • the port block When combined with a port block, the port block should have a length to diameter ratio in the range of 0.7 to 1.5.
  • a third set of air apertures exiting the baffle upstream of the intersection of the first and second set may be employed.
  • FIG. 1 is a section taken along section lines I--I of FIG. 2 and showing my burner in conjunction with a port block;
  • FIG. 2 is an end view of the burner
  • FIG. 3 is a section taken along section lines III--III of FIG. 4 and showing a modified form of the burner;
  • FIG. 4 is an end view of the modified form of the burner
  • FIG. 5 is an end view of the portion of the burner of FIGS. 3 and 4 showing the spin passageways in phantom;
  • FIG. 6 is a schematic in graph form showing the flame configuration over a range of operating conditions.
  • My adjustable flame burner is applicable to a number of industrial heating furnaces but finds particular application to metallurgical furnaces such as soaking pits and reheat furnaces such as walking beam side-fired furnaces or longitudinally-fired furnaces.
  • the burner is mounted to a furnace wall 12 by means of a mounting plate 15 in the conventional manner, FIG. 1.
  • the furnace wall 12 includes an opening aligned with the burner 10 and exiting into the furnace chamber (not shown), which opening is known as port block 34.
  • Port block 34 is cylindrical in shape and has a diameter D and an axial extent L. While port block 34 is normally cylindrical throughout its axial length, it may include a diverging tapered exit way 35 as shown.
  • the burner 10 includes a burner body 14 having a refractory baffle 16 forming the forward wall thereof, FIGS. 1 and 2.
  • Baffle 16 has a frustoconical shaped discharge face 18 which increases in diameter in the downstream direction.
  • a central fuel duct 26 extends along the burner body central axis, passes through baffle 16 and exits at the upstream end of discharge face 18.
  • Fuel supply fitting 32 connects to fuel duct 26 to provide the appropriate gaseous, liquid or solid fuel, or combinations thereof, the details of which do not form a part of this invention.
  • Air apertures 20 Surrounding central fuel duct 26 and within the burner body 14 is air chamber 28 having air inlet 29 for connection to an air source, FIG. 1.
  • the forward wall of chamber 28 is formed of baffle 16.
  • a series of air apertures 20 which are radially disposed about the central burner axis extend through the baffle 16 from the air chamber 28 to the discharge face 18. Air apertures 20 extend substantially parallel with the burner central axis.
  • a second air chamber 30 is annularly disposed about the first air chamber and is generally positioned partially downstream thereof, FIG. 1.
  • Air chamber 30 has an inlet 31 for connection to an air source.
  • Air chamber 30 also terminates at baffle 16 and a plurality of axial air apertures 22 extend through baffle 16.
  • Air apertures 22 are angularly disposed with respect to air apertures 20 so that each aperture 20 intersects with a corresponding aperture 22 at an acute angle and at or substantially near the discharge face. This angle of intersection is referred to as the spin angle and is generally on the order of 45° to 65° with 65° being preferred.
  • Air apertures 22 are also skewed with respect to the longitudinal center line of the burner so as to produce a swirling air input.
  • each air aperture 22 also passes through the exit end of an air aperture 20 and such a plane is offset from a plane through the center line of the burner.
  • the air through apertures 22 may actually be a diverging or converging spin.
  • Standard control means 33 can be used to adjust the relative amount of air or other combustion sustaining gas passing through the first set of air passages 20 and the second set of air passages 22, respectively.
  • automatic control means can vary the heat release pattern over a series of operating conditions. The details of these various controls do not form a part of this invention.
  • the ratio of the diameter (D) of the port block to the length (L) of the port block is also important to provide the desired adjustable flame characteristics. I have found that ratio of diameter to length should be in the range of 0.7 to 1.5.
  • the various apertures should have an axial length of some 2 to 21/2 times greater than the diameter of the aperture to assure proper flow along the center line of the aperture.
  • FIGS. 3 through 5 A modified form of the invention is illustrated in FIGS. 3 through 5.
  • This embodiment is similar to the earlier embodiment in that a burner body 14' terminates in a forward wall defined by baffle 16'.
  • a pair of air chambers 28' and 30' communicate with passages 20' and 22' respectively, which pass through the baffle 16' and converge at the discharge face 18' at an acute angle with one another and offset from a plane through the burner center line.
  • a central fuel duct 26' extends along the burner longitudinal axis as in the earlier embodiment.
  • an additional air chamber 36 is formed annularly about central fuel duct 26' in communication with axial air passageways 38 which extend through the baffle 16' and exit in an inner firing port 40 formed by baffle 16'.
  • Inner firing port 40 is upstream of the intersection between air passages 20' and 22'.
  • the burner functionally performs as the burner illustrated in FIGS. 1 and 2 throughout the normal operational envelope. However, it has the additional feature of being a maintained energy burner so that when the air flows below 33%, the air passages 38 will utilize the available system pressure for mixing, thereby increasing the combustion intensity.
  • the desired flame characteristics can be obtained since the burner is adjustable between the steep rotational spin angle generated by the air through the inclined passages to the pure axial compartment achieved by passing all the air through the passageways extending parallel to the burner longitudinal axis.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)
  • Control Of Combustion (AREA)
  • Gas Burners (AREA)
US06/518,079 1983-07-28 1983-07-28 Adjustable flame burner Expired - Fee Related US4475885A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US06/518,079 US4475885A (en) 1983-07-28 1983-07-28 Adjustable flame burner
CA000449919A CA1206861A (en) 1983-07-28 1984-03-19 Adjustable flame burner
AT84104754T ATE30952T1 (de) 1983-07-28 1984-04-27 Brenner mit flammeneinstellbarkeit.
DE8484104754T DE3467615D1 (en) 1983-07-28 1984-04-27 Adjustable flame burner
EP84104754A EP0137098B1 (de) 1983-07-28 1984-04-27 Brenner mit Flammeneinstellbarkeit
MX201727A MX159058A (es) 1983-07-28 1984-06-20 Quemador de flama ajustable
JP59158559A JPS6053712A (ja) 1983-07-28 1984-07-27 可炎調節バ−ナ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/518,079 US4475885A (en) 1983-07-28 1983-07-28 Adjustable flame burner

Publications (1)

Publication Number Publication Date
US4475885A true US4475885A (en) 1984-10-09

Family

ID=24062466

Family Applications (1)

Application Number Title Priority Date Filing Date
US06/518,079 Expired - Fee Related US4475885A (en) 1983-07-28 1983-07-28 Adjustable flame burner

Country Status (7)

Country Link
US (1) US4475885A (de)
EP (1) EP0137098B1 (de)
JP (1) JPS6053712A (de)
AT (1) ATE30952T1 (de)
CA (1) CA1206861A (de)
DE (1) DE3467615D1 (de)
MX (1) MX159058A (de)

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536152A (en) * 1983-04-04 1985-08-20 Asarco Incorporated High-velocity gas burners
US4622007A (en) * 1984-08-17 1986-11-11 American Combustion, Inc. Variable heat generating method and apparatus
US4642047A (en) * 1984-08-17 1987-02-10 American Combustion, Inc. Method and apparatus for flame generation and utilization of the combustion products for heating, melting and refining
EP0229231A2 (de) * 1986-01-13 1987-07-22 Deutsche Babcock Werke Aktiengesellschaft Brenner zum Verbrennen von Brennstoffen unter verminderter Bildung von Stickoxiden
WO1989001117A1 (en) * 1985-09-09 1989-02-09 Coen Company, Inc. Pulverized fuel slurry burner and method of operating same
US4828487A (en) * 1988-03-21 1989-05-09 Earl Arnold M Swirl generator
EP0397088A2 (de) * 1989-05-08 1990-11-14 Praxair Technology, Inc. Verfahren und Vorrichtung zur Verbrennung mit oxidierendem Mehrfachstrahl
US5149265A (en) * 1991-05-31 1992-09-22 Bloom Engineering Company, Inc. Method for firing direct-fired burner
US5554022A (en) * 1994-10-14 1996-09-10 Xothermic, Inc. Burner apparatus and method
US5681162A (en) * 1996-09-23 1997-10-28 Nabors, Jr.; James K. Low pressure atomizer
WO1997044618A1 (en) * 1996-05-17 1997-11-27 Xothermic, Inc. Burner apparatus and method
EP0823593A3 (de) * 1996-08-05 1998-11-04 The BOC Group plc Emissionsarmer Wirbelbrenner
EP0823592A3 (de) * 1996-08-05 1998-11-11 The BOC Group plc Sauerstoff-Brennstoff Brenner
EP0877202A3 (de) * 1997-05-07 1999-06-23 The BOC Group plc Drallbrenner für Sauerstoff und Heizöl
US6142765A (en) * 1995-09-07 2000-11-07 Vost-Alpine Industrieanlagenbau Gmbh Process for burning fuel
NL1017045C2 (nl) * 2001-01-08 2002-07-09 Elbar Bv Inrichting en werkwijze voor het aanbrengen van een gaslaag op een oppervlak.
US6439140B2 (en) * 1996-12-27 2002-08-27 Sumitomo Osaka Cement Co., Ltd. Device and method for combustion of fuel
US20020127504A1 (en) * 1999-04-19 2002-09-12 Neville Thomas B. Premix burner with firing rate control
US6551098B2 (en) 2001-02-22 2003-04-22 Rheem Manufacturing Company Variable firing rate fuel burner
WO2004057235A1 (ja) 2002-12-19 2004-07-08 Yamaichi Metal Co., Ltd. 動植物油燃焼装置
WO2005052446A1 (en) * 2003-11-28 2005-06-09 Techint Compagnia Tecnica Internazionale S.P.A Low polluting emission gas burner
WO2006005577A1 (de) * 2004-07-14 2006-01-19 Messer Group Gmbh Brennstoff-sauerstoff-brenner und verfahren zum betreiben des brenners
US20060068346A1 (en) * 2004-09-30 2006-03-30 Nowakowski John J Heating method and apparatus
US20060169800A1 (en) * 1999-06-11 2006-08-03 Aradigm Corporation Aerosol created by directed flow of fluids and devices and methods for producing same
US7175423B1 (en) * 2000-10-26 2007-02-13 Bloom Engineering Company, Inc. Air staged low-NOx burner
US20070158468A1 (en) * 2005-12-09 2007-07-12 Smith Barton L High-speed jet control
US20090117503A1 (en) * 2007-11-07 2009-05-07 Cain Bruce E Burner Control
US20090130617A1 (en) * 2007-11-19 2009-05-21 Cain Bruce E Regenerative burner apparatus
US20090230209A1 (en) * 2005-12-09 2009-09-17 Utah State University Directional jet flow control
US20100119984A1 (en) * 2008-11-10 2010-05-13 Fox Allen G Abatement system
US20100154789A1 (en) * 2005-12-14 2010-06-24 Osamu Hirota Injection Flame Burner and Furnace Equipped With Same Burner and Method for Generating Flame
WO2012102697A1 (en) * 2011-01-24 2012-08-02 Hartwick Thomas S System and apparatus for applying an electric field to a combustion volume
CN102980394A (zh) * 2012-08-08 2013-03-20 梁燕龙 可伸缩隧道窑燃烧器及其方法
CN103047856A (zh) * 2012-08-08 2013-04-17 梁燕龙 多功能可伸缩窑炉燃烧器及其方法
CN103063023A (zh) * 2012-08-14 2013-04-24 梁燕龙 隧道窑自动燃烧器及其方法
CN103561889A (zh) * 2011-08-01 2014-02-05 中外炉工业株式会社 燃烧装置及熔融金属容器的浇道洗净方法
US20140053831A1 (en) * 2012-08-21 2014-02-27 Philip Morris Usa Inc. Ventilator aerosol delivery system
CN103697691A (zh) * 2012-09-27 2014-04-02 梁燕龙 窑炉可调节的燃烧装置及其方法
US20140137557A1 (en) * 2012-11-20 2014-05-22 Masamichi KOYAMA Gas turbine combustor
CN104884868A (zh) * 2013-02-14 2015-09-02 克利尔赛恩燃烧公司 用于具有穿孔火焰稳定器的燃烧器的启动方法和机构
IT201700050172A1 (it) * 2017-05-09 2018-11-09 Sms Group S P A Bruciatore industriale a combustibile gassoso con basse emissioni di nox
EP2913586B1 (de) * 2014-02-28 2020-03-18 Air Products And Chemicals, Inc. Transienter Heizungsbrenner und Verfahren
US11098894B2 (en) * 2018-07-11 2021-08-24 Praxair Technology, Inc. Multifunctional fluidic burner

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FR2588638B1 (fr) * 1985-10-16 1989-03-03 Gaz De France Bruleur a gaz du type a premelange gaz/air
FR2671605A1 (fr) * 1991-01-16 1992-07-17 Lorraine Laminage Melangeur d'air et de gaz de combustion pour bruleur a gaz de fours industriels.
DE4328130A1 (de) * 1993-08-20 1995-02-23 Saacke Gmbh & Co Kg Verfahren und Vorrichtung zum emissionsarmen Verbrennen von fließfähigen und/oder gasförmigen Brennstoffen mit interner Rauchgasrezirkulation
JP5320517B1 (ja) * 2013-04-08 2013-10-23 新日鉄住金エンジニアリング株式会社 燃焼装置及びその運転方法、並びに回転炉床式加熱炉
JP6494329B2 (ja) * 2015-03-02 2019-04-03 大阪瓦斯株式会社 加熱炉
JP6568192B2 (ja) * 2017-12-19 2019-08-28 中外炉工業株式会社 バーナ
CN110513688A (zh) * 2019-09-18 2019-11-29 安德森热能科技（苏州）有限责任公司 一种低氮空气加热旋流燃烧器

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US2287057A (en) * 1936-07-27 1942-06-23 Steam And Comb Company Steam production system
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Cited By (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536152A (en) * 1983-04-04 1985-08-20 Asarco Incorporated High-velocity gas burners
US4622007A (en) * 1984-08-17 1986-11-11 American Combustion, Inc. Variable heat generating method and apparatus
US4642047A (en) * 1984-08-17 1987-02-10 American Combustion, Inc. Method and apparatus for flame generation and utilization of the combustion products for heating, melting and refining
USRE33464E (en) * 1984-08-17 1990-11-27 American Combustion, Inc. Method and apparatus for flame generation and utilization of the combustion products for heating, melting and refining
WO1989001117A1 (en) * 1985-09-09 1989-02-09 Coen Company, Inc. Pulverized fuel slurry burner and method of operating same
EP0229231A2 (de) * 1986-01-13 1987-07-22 Deutsche Babcock Werke Aktiengesellschaft Brenner zum Verbrennen von Brennstoffen unter verminderter Bildung von Stickoxiden
EP0229231A3 (en) * 1986-01-13 1988-08-31 Leobersdorfer Maschfab Ag Burner for the combustion of fuels with reduced production of nitric oxides
US4828487A (en) * 1988-03-21 1989-05-09 Earl Arnold M Swirl generator
EP0397088A2 (de) * 1989-05-08 1990-11-14 Praxair Technology, Inc. Verfahren und Vorrichtung zur Verbrennung mit oxidierendem Mehrfachstrahl
EP0397088A3 (de) * 1989-05-08 1991-06-12 Praxair Technology, Inc. Verfahren und Vorrichtung zur Verbrennung mit oxidierendem Mehrfachstrahl
US5149265A (en) * 1991-05-31 1992-09-22 Bloom Engineering Company, Inc. Method for firing direct-fired burner
US5554022A (en) * 1994-10-14 1996-09-10 Xothermic, Inc. Burner apparatus and method
US6142765A (en) * 1995-09-07 2000-11-07 Vost-Alpine Industrieanlagenbau Gmbh Process for burning fuel
WO1997044618A1 (en) * 1996-05-17 1997-11-27 Xothermic, Inc. Burner apparatus and method
EP0823593A3 (de) * 1996-08-05 1998-11-04 The BOC Group plc Emissionsarmer Wirbelbrenner
EP0823592A3 (de) * 1996-08-05 1998-11-11 The BOC Group plc Sauerstoff-Brennstoff Brenner
US5882184A (en) * 1996-08-05 1999-03-16 The Boc Group Plc Low emission swirl burner
US5681162A (en) * 1996-09-23 1997-10-28 Nabors, Jr.; James K. Low pressure atomizer
US6439140B2 (en) * 1996-12-27 2002-08-27 Sumitomo Osaka Cement Co., Ltd. Device and method for combustion of fuel
EP0877202A3 (de) * 1997-05-07 1999-06-23 The BOC Group plc Drallbrenner für Sauerstoff und Heizöl
US5944507A (en) * 1997-05-07 1999-08-31 The Boc Group Plc Oxy/oil swirl burner
CN1110630C (zh) * 1997-05-07 2003-06-04 英国氧气集团有限公司 氧气/油涡流式燃烧器
US20020127504A1 (en) * 1999-04-19 2002-09-12 Neville Thomas B. Premix burner with firing rate control
US20080054100A1 (en) * 1999-06-11 2008-03-06 Joan Rosell Aerosol created by directed flow of fluids and devices and methods for producing same
US20070102533A1 (en) * 1999-06-11 2007-05-10 Aradigm Corporation; Universidad De Sevilla Aerosol created by directed flow of fluids and devices and methods for producing same
US20080053436A1 (en) * 1999-06-11 2008-03-06 Aradigm Corporation Aerosol created by directed flow of fluids and devices and methods for producing same
US20060169800A1 (en) * 1999-06-11 2006-08-03 Aradigm Corporation Aerosol created by directed flow of fluids and devices and methods for producing same
US7175423B1 (en) * 2000-10-26 2007-02-13 Bloom Engineering Company, Inc. Air staged low-NOx burner
NL1017045C2 (nl) * 2001-01-08 2002-07-09 Elbar Bv Inrichting en werkwijze voor het aanbrengen van een gaslaag op een oppervlak.
US6551098B2 (en) 2001-02-22 2003-04-22 Rheem Manufacturing Company Variable firing rate fuel burner
WO2004057235A1 (ja) 2002-12-19 2004-07-08 Yamaichi Metal Co., Ltd. 動植物油燃焼装置
EP1574783B1 (de) * 2002-12-19 2013-04-24 Yamaichi Metal Co., LTD. Brennkammer für tierische und pflanzliche öle
EP1574783A1 (de) * 2002-12-19 2005-09-14 Yamaichi Metal Co., LTD. Brennkammer f r tierische und pflanzliche le
US8297969B2 (en) * 2003-11-28 2012-10-30 Techint Compagnia Tecnica Internazionale S.P.A. Low polluting emission gas burner
US20070072141A1 (en) * 2003-11-28 2007-03-29 Marco Daneri Low polluting emission gas burner
WO2005052446A1 (en) * 2003-11-28 2005-06-09 Techint Compagnia Tecnica Internazionale S.P.A Low polluting emission gas burner
CN1902441B (zh) * 2003-11-28 2010-08-04 国际技术公司及国际技术公开有限公司 低污染排放的气体燃烧器
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Also Published As

Publication number Publication date
ATE30952T1 (de) 1987-12-15
JPH0113009B2 (de) 1989-03-03
JPS6053712A (ja) 1985-03-27
EP0137098A1 (de) 1985-04-17
CA1206861A (en) 1986-07-02
MX159058A (es) 1989-04-13
DE3467615D1 (en) 1987-12-23
EP0137098B1 (de) 1987-11-19

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